90 Amp draw ensure it meets the original equipment manufacturer’s performance curves

cross-reference the serial number of your unit with the manufacturer's parts list before installation

the internal diaphragm may be fatigued

How many cores are typically required

Williams P625471 Control Board 319848-301 90 Amp draw ensure itThe Williams P625471 Control Board is a critical genuine OEM replacement part designed for precision furnace orchestration in high efficiency Williams heating systems. As a direct fit gas valve control module, this board manages the ignition sequence, flame sensing, and blower timing to ensure safe and consistent heat cycles. For technicians troubleshooting intermittent failures or lockout codes, installing this HVAC circuit board eliminates the